C64700
Nickel-Silicon Bronze
Heat-treatable copper-nickel-silicon alloy. Age hardening roughly doubles its strength while keeping useful electrical conductivity.
Chemical Composition
| Element | Min % | Max % |
|---|---|---|
| Copper (Cu) | — | Remainder |
| Nickel (Ni) | 1.6 | 2.2 |
| Silicon (Si) | 0.4 | 0.8 |
| Zinc (Zn) | — | 0.5 |
| Lead (Pb) | — | 0.09 |
| Iron (Fe) | — | 0.1 |
Physical Properties
| Density | 0.322 lb/cu in |
|---|---|
| Specific Gravity | 8.91 |
Typical Property Data
CDA publishes no typical mechanical, thermal, or fabrication property data for C64700. Density and specific gravity above are the CDA-published physical values; the chemical composition is the CDA standard designation.
Typical Applications
- High-strength fasteners
- Electrical connectors
- Spring components
- Valve stems
- Small-diameter bushings
- Aerospace hardware
Applicable Specifications
- ASTM B411
- SAE J461
- SAE J463
Frequently Asked Questions
Common questions about C64700 Nickel-Silicon Bronze specifications, applications, and material properties.